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Date:      Sun, 16 Jul 1995 10:44:20 +0200 (MET DST)
From:      roberto@blaise.ibp.fr (Ollivier Robert)
To:        fn@pain.csrv.uidaho.edu (Faried Nawaz)
Cc:        current@freebsd.org
Subject:   Re: problems dumping large fs's?
Message-ID:  <199507160844.KAA22905@blaise.ibp.fr>
In-Reply-To: <199507151120.EAA06605@pain.csrv.uidaho.edu> from "Faried Nawaz" at Jul 15, 95 04:20:06 am

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> if i try to dump /usr/local, i get
> 
> big-brother# dump 0uf /dev/nrst0 /usr/local
>   DUMP: Date of this level 0 dump: Sat Jul 15 04:02:37 1995
>   DUMP: Date of last level 0 dump: the epoch
>   DUMP: Dumping /usr/local to /dev/nrst0
>   DUMP: bad sblock magic number
>   DUMP: The ENTIRE dump is aborted.
> big-brother# 
> 
> is this a known problem?  this is the first time i've tried dump, btw.
> tar and pax appear to operate without problems on /usr.

It is not a bug it is a feature :-)

dump can only dump full filesystems, not subtree of it. Your physical
partition is /usr so you should dump /usr. /usr/local is not a valid file-
system so it has no superblock.
-- 
Ollivier ROBERT     -=- The daemon is FREE! -=-     roberto@FreeBSD.ORG
      FreeBSD 2.2-CURRENT #5: Fri Jul 14 12:28:04 MET DST 1995



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